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high severity December 05, 2023 · 4 min read Unverified claim — what this is

americanalarm.com Listed by blackbasta Ransomware Group

If you are a customer of americanalarm.com, here’s what is being claimed, and what it would mean for you.

americanalarm.com was listed on Blackbasta's leak site. Blackbasta claims to have stolen internal data. This is the group's claim, not a confirmed finding.

americanalarm.com Listed by blackbasta Ransomware Group

On December 5, 2023, American Alarm and Communications of Arlington, Massachusetts, appeared on the leak site operated by the Black Basta ransomware group. The listing states that the company suffered a ransomware attack in which attackers exfiltrated 504 GB of internal files, including accounting and financial records. The firm, founded in 1971, provides security system integration and 24-hour monitoring services to homes and businesses across New England. Anyone whose personal or financial information passed through the company’s systems in recent years may now be at risk.

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Reported Details from the Listing

The Black Basta leak site entry for americanalarm.com explicitly lists the victim, shows sample screenshots of stolen data, and claims 504 GB of material was taken. It identifies two broad categories: accounting records and financial documents. The disclosure does not specify the exact number of individuals affected, nor does it list every file type or the precise dates of the data. The posting follows the group’s standard practice of publishing proof of compromise after the victim declined to pay the demanded ransom. No customer list or detailed personal record count is shown in the public portion of the leak site.

Why This Matters for You and Your Family

If you or anyone in your household has done business with American Alarm — whether for a home security system, business monitoring contract, or service call — your information may sit inside the stolen accounting and financial files. Financial records often contain names, addresses, phone numbers, payment details, Social Security numbers used for credit checks, and contract information. Once exposed, these details do not expire. Identity thieves and fraudsters can use them for months or years to open accounts, file fraudulent tax returns, or impersonate you with utilities and banks. Because the company serves local communities across New England, many families who thought their alarm-installation paperwork was private now face long-term exposure.

The Doxxing and Identity-Chain Risks

Ransomware leaks like this one rarely stop at the initial data set. Attackers or opportunistic criminals scrape the released files for email addresses, phone numbers, and customer names, then cross-reference them against other breaches. A single leaked home address can link your security-system account to your email, which in turn links to your children’s online gaming profiles or school forms. This creates an identity chain that makes doxxing, targeted phishing, and account takeovers far easier. Credential leaks of this nature frequently cascade into gaming account compromises because the same password or recovery email is reused. The result can be full personal dossiers posted on dark-web forums within weeks.

Black Basta’s Known Track Record

Public reporting attributes the first appearance of Black Basta to early 2022. The group rapidly became one of the most active ransomware operations, typically compromising Windows networks via phishing emails, remote-desktop brute force, or stolen credentials. After gaining access they exfiltrate data before encrypting systems, then demand payment to prevent publication. Notable prior victims include large manufacturers, healthcare providers, and regional service companies. The group’s playbook relies on double extortion: both ransomware encryption and public shaming on their leak site. The American Alarm posting follows this exact pattern, with a countdown timer and sample documents displayed to pressure the victim.

What to do

  • Run a DoxxScan to map every link between your handles, emails, phone numbers, and real identity, including any data that may have surfaced from the American Alarm files.
  • Rotate any password you ever used at americanalarm.com or related vendor portals, then enable 2FA through an authenticator app rather than SMS.
  • Enable continuous DoxxScan monitoring across 13.1B+ breach records and 100+ platforms so the next exposure that touches your family is caught and addressed in hours, not months.
  • Cover the household with DoxxScan family protection that extends to dependents and children’s gaming accounts, which often chain back to the same addresses and emails stolen in incidents like this.
  • Let remediation specialists handle data-broker takedown requests and opt-out processes for you so exposed financial and contact details do not remain publicly searchable.

The exposure of 504 GB of accounting and financial records from a long-established New England security company shows how even local service providers can become gateways to personal data theft. Acting quickly on the credentials and details already circulating can limit the damage. DoxxScan by GalaxyWarden delivers continuous monitoring across 13.1B+ breach records and 100+ platforms, AI-powered identity-chain mapping, hands-on remediation by specialists, and full household coverage that includes children’s gaming accounts. Start your DoxxScan trial today to regain control of what attackers already hold.

What the free scan actually returns

Sample resultyou@email.comIllustrative — not a real person

Found on people-search siteswe remove these

These listings are live, public, and legal to remove — and removing them is what we do.

value redacted in this sampleage, relatives, address historySpokeo
value redacted in this samplephone, household, property recordsBeenVerified
value redacted in this sample582 companies checked

Found in breach recordsverifiedreported — unverified

Each record is labeled: confirmed breach data, or an attacker’s claim no one has verified.

verifiedvalue redacted in this samplepassword + phone · 2024telecom breach
unverifiedvalue redacted in this sampleclaimed in ransomware listing · 2026leak-site claim

Leaked data cannot be deleted from the internet — anyone claiming otherwise is lying. Broker listings can be removed. We do the second, and show you exactly what to fix from the first.

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Report details & sourcing

Severity High
Disclosed December 05, 2023
Last reviewed August 8, 2026
Affected Unconfirmed
Unverified claim — what this report is
This page documents a public listing on a ransomware/extortion group’s leak site, tracked via public threat-intelligence sources. A listing is the attacker’s claim. GalaxyWarden aggregates and reports such claims; we have not independently verified that a breach occurred, what data (if any) was taken, or the accuracy of anything the group asserts, and the named organisation has not necessarily confirmed the incident. Sections above describe what the listing shows and the group’s documented history — not verified findings about the named organisation. If you represent this organisation and believe anything here is inaccurate, tell us and we’ll review it promptly.
Editorial & sourcing policy
GalaxyWarden is a breach-monitoring service and news aggregator. We do not exfiltrate, host, purchase, or redistribute stolen data. Breach information is compiled from publicly accessible sources and threat-intelligence platforms, and is reported as claims attributed to their source. We promptly correct or remove material shown to be inaccurate — see our content & takedown policy or write to support@galaxywarden.com.
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